public class Dog {
    String name;
    public Dog(){
        this.name="犬";
    }

    public void bite(Dog d) {
        System.out.println("这个" + name + "咬了" + d.name + "    一嘴毛");
    }
    public void bite(People p) {
        System.out.println("这个" + name + "咬了" + p.name + "    不识好人心");
    }
    public void bite(Ciwei c) {
        System.out.println("这个" + name + "咬了" + c.name + "    无从下口");
    }
}
